QA/G-8 provides non-mandatory guidance to assist users in verifying and validating environmental data. The guidance discusses alternative approaches to data validation, including examples of statistics-based validation techniques, and options for verifying that the validated data satisfy relevant claims about their authenticity and quality.

QA/G-11 provides guidance for environmental technology projects.This development will be accomplished in two phases. This document provides relevant information on the design, construction, and operation of environmental technology and the quality assurance and quality controls practices needed to support them.

Requirements Documents (identified as QA/R-x) will also be the subject of chapters in the EPA Quality Manual for Environmental Programs. The Quality Manual requirements will apply to EPA Program Offices, Regions, and ORD laboratories. The QA/R-x versions will apply to EPA contractors and organizations receiving financial assistance from EPA (e.g., grants, cooperative agreements, and inter-agency agreements). They also will be issued as policy documents under the signature of the AA/OEI.

Guidance Documents (identified as QA/G-x) will be published as OEI reports after the appropriate peer and policy reviews and issued under the signature of the AA/OEI.

Other EPA Program and Region QA-Related Documents

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QA/G-4 provides non-mandatory guidance on developing Data Quality Objectives (DQOs) using a systematic planning process based on the graded approach. The guidance presents a step-by-step description of the DQO process. The Aug 2000 version supercedes the Sept 1994 version.

This document contains Standard Operating Procedures used by EPA Region 4 for sample collection and other field activities. This document may be useful to others, as example Standard Operating Procedures for similar activities. Any organization that uses these Standard Operating Procedures assumes responsibility for their content and applicability to their specific situation.